Labeling COGO Points

Many of the COGO routines create COGO points based on existing survey points. The Right-Of-Way Offset is an example. It creates offset points at some distance from the original point and automatically labels them.

These dialogs usually provide a Point or Label field, giving the user the option to specify how the created COGO points will be labeled.

Here are the general rules for COGO point labels

To add a prefix or suffix to the original point label, use an “*”. TPC replaces the ‘*’ with the original point label. So if you enter *L, the COGO point created from the original point 200 will be labeled 200L. If you enter L*, the COGO point will be labeled L200.
TPC replaces the ‘%’ character with a value. So if you enter *L% for the left label in the Right-Of-Way Offset dialog, the 40’ left offset from point 200 will be labeled 200L40.
To add or subtract a number, use + number or – number, as in +1000.
To start a new sequence of numbers, just enter the number. If you enter 1000, the created COGO points will be labeled 1000, 1001, 1002, etc. If you enter OFS-1, the created COGO points will be labeled OFS-1, OFS-2, OFS-3, etc. You might use INT1 as the starting label for all intersections, AREA1 for predetermined area points, etc.

If a COGO routine deviates from these general rules, it will tell you so in the dialog help.

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Labeling COGO Points

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